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Core Java MNC Interview Questions?
- which is the most widely used protocol on internet?
- what is the difference between an executable file and a class file?
- why java is suitable for internet?
- why pointers are eliminated from java?
- what is the diff b/w a function & a method?
- Which part of JVM will allocate the memory for a java program?
- How can you call the garbage collector?
- What is mean by OOPS Concepts ?
- What is abstraction, Encapsulation and Data-hiding ?
- What is IS-A relationship, HAS-A relationship?
- What is method overloading and overriding?
- What is difference between string,string buffer and string builder ?
- What are the disadvantages in arrays ?
- Different types of collections ?
- What are the difference between stack and array list ?
- What is difference between hash set and tree set ?
- When will you implement list and set ?
- What is difference between hash table and hash map ?
- What is difference between Error and Exception ?
- What is difference between compile time exception and run time exception ?
- Write a program for run-time exception ?
- What is thread and explain about thread life cycle ?
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